Saturated remedies in distilled water contain sulfide at close to four × 10−6 mol/liter. The solubility in drinking water that contains hydrogen sulfide is rather lower, but of the same purchase of magnitude. In alkaline Answer, the sulfides dissolve, with formation of thioarsenites or thioarsenates. These sulfides are decomposed by https://arsenicllloxide86172.wikissl.com/1294715/a_secret_weapon_for_arsenic_lll_oxide